None of them have done this voluntarily. I have yet to run into a smoker other than a cigar or pipe smoker that asked those around them if it was okay to smoke. Upon seeing no "no smoking sign", they light up with no regard to those around them. The surprise is they are upset when nonsmokers find ways to get more no smoking signs posted.
You are so full of excrement. I know of very very few people who don't ask. Maybe you deLIBerately stand in smoking areas and then complain when smokers light up. That is the method alot of antismoking nazis use to get management to ban smoking.
I have yet to run into a smoker other than a cigar or pipe smoker that asked those around them if it was okay to smoke.
So, you don't care about SHS, you just want smokers to ask the school marm for permission? Do you ask permission to spew your car exhaust in others faces?